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/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow strict-local
*/
// This is a controlled component version of RCTDatePickerIOS.
import * as React from 'react';
import RCTDatePickerNativeComponent, {
Commands as DatePickerCommands,
} from './RCTDatePickerNativeComponent';
import StyleSheet from '../../StyleSheet/StyleSheet';
import View from '../View/View';
import invariant from 'invariant';
import type {SyntheticEvent} from '../../Types/CoreEventTypes';
import type {ViewProps} from '../View/ViewPropTypes';
type Event = SyntheticEvent<
$ReadOnly<{|
timestamp: number,
|}>,
>;
type Props = $ReadOnly<{|
...ViewProps,
/**
* The currently selected date.
*/
date?: ?Date,
/**
* Provides an initial value that will change when the user starts selecting
* a date. It is useful for simple use-cases where you do not want to deal
* with listening to events and updating the date prop to keep the
* controlled state in sync. The controlled state has known bugs which
* causes it to go out of sync with native. The initialDate prop is intended
* to allow you to have native be source of truth.
*/
initialDate?: ?Date,
/**
* The date picker locale.
*/
locale?: ?string,
/**
* Maximum date.
*
* Restricts the range of possible date/time values.
*/
maximumDate?: ?Date,
/**
* Minimum date.
*
* Restricts the range of possible date/time values.
*/
minimumDate?: ?Date,
/**
* The interval at which minutes can be selected.
*/
minuteInterval?: ?(1 | 2 | 3 | 4 | 5 | 6 | 10 | 12 | 15 | 20 | 30),
/**
* The date picker mode.
*/
mode?: ?('date' | 'time' | 'datetime'),
/**
* Date change handler.
*
* This is called when the user changes the date or time in the UI.
* The first and only argument is an Event. For getting the date the picker
* was changed to, use onDateChange instead.
*/
onChange?: ?(event: Event) => void,
/**
* Date change handler.
*
* This is called when the user changes the date or time in the UI.
* The first and only argument is a Date object representing the new
* date and time.
*/
onDateChange: (date: Date) => void,
/**
* Timezone offset in minutes.
*
* By default, the date picker will use the device's timezone. With this
* parameter, it is possible to force a certain timezone offset. For
* instance, to show times in Pacific Standard Time, pass -7 * 60.
*/
timeZoneOffsetInMinutes?: ?number,
/**
* The date picker style
* This is only available on devices with iOS 14.0 and later.
* 'spinner' is the default style if this prop isn't set.
*/
pickerStyle?: ?('compact' | 'spinner' | 'inline'),
|}>;
/**
* Use `DatePickerIOS` to render a date/time picker (selector) on iOS. This is
* a controlled component, so you must hook in to the `onDateChange` callback
* and update the `date` prop in order for the component to update, otherwise
* the user's change will be reverted immediately to reflect `props.date` as the
* source of truth.
*/
class DatePickerIOS extends React.Component<Props> {
_picker: ?React.ElementRef<typeof RCTDatePickerNativeComponent> = null;
componentDidUpdate() {
if (this.props.date) {
const propsTimeStamp = this.props.date.getTime();
if (this._picker) {
DatePickerCommands.setNativeDate(this._picker, propsTimeStamp);
}
}
}
_onChange = (event: Event) => {
const nativeTimeStamp = event.nativeEvent.timestamp;
this.props.onDateChange &&
this.props.onDateChange(new Date(nativeTimeStamp));
this.props.onChange && this.props.onChange(event);
this.forceUpdate();
};
render(): React.Node {
const props = this.props;
const mode = props.mode ?? 'datetime';
invariant(
props.date || props.initialDate,
'A selected date or initial date should be specified.',
);
return (
<View style={props.style}>
<RCTDatePickerNativeComponent
testID={props.testID}
ref={picker => {
this._picker = picker;
}}
style={getHeight(props.pickerStyle, mode)}
date={
props.date
? props.date.getTime()
: props.initialDate
? props.initialDate.getTime()
: undefined
}
locale={
props.locale != null && props.locale !== ''
? props.locale
: undefined
}
maximumDate={
props.maximumDate ? props.maximumDate.getTime() : undefined
}
minimumDate={
props.minimumDate ? props.minimumDate.getTime() : undefined
}
mode={mode}
minuteInterval={props.minuteInterval}
timeZoneOffsetInMinutes={props.timeZoneOffsetInMinutes}
onChange={this._onChange}
onStartShouldSetResponder={() => true}
onResponderTerminationRequest={() => false}
pickerStyle={props.pickerStyle}
/>
</View>
);
}
}
const inlineHeightForDatePicker = 318.5;
const inlineHeightForTimePicker = 49.5;
const compactHeight = 40;
const spinnerHeight = 216;
const styles = StyleSheet.create({
datePickerIOS: {
height: spinnerHeight,
},
datePickerIOSCompact: {
height: compactHeight,
},
datePickerIOSInline: {
height: inlineHeightForDatePicker + inlineHeightForTimePicker * 2,
},
datePickerIOSInlineDate: {
height: inlineHeightForDatePicker + inlineHeightForTimePicker,
},
datePickerIOSInlineTime: {
height: inlineHeightForTimePicker,
},
});
function getHeight(
pickerStyle: ?(
| 'compact'
| 'inline'
| 'spinner'
| $TEMPORARY$string<'compact'>
| $TEMPORARY$string<'inline'>
| $TEMPORARY$string<'spinner'>
),
mode:
| 'date'
| 'datetime'
| 'time'
| $TEMPORARY$string<'date'>
| $TEMPORARY$string<'datetime'>
| $TEMPORARY$string<'time'>,
) {
if (pickerStyle === 'compact') {
return styles.datePickerIOSCompact;
}
if (pickerStyle === 'inline') {
switch (mode) {
case 'date':
return styles.datePickerIOSInlineDate;
case 'time':
return styles.datePickerIOSInlineTime;
default:
return styles.datePickerIOSInline;
}
}
return styles.datePickerIOS;
}
module.exports = DatePickerIOS;